Numerous women aged between 47 and 74 have reported what is believed to be the same man.
He is alleged to have conducted physical and verbal sexual abuse, as well as harassment and stalking.
The man is said to have followed several women while they walked outside, shouting inappropriate remarks at them before blocking their route and sexually assaulting them.
The man is described as black, approx 5ft 8in tall and of slim build. He appears well spoken and is thought to be aged between 15 and 21.
He has worn a black rucksack during three of the incidents and often wears dark-coloured clothing.
The incidents took place between January and June all around the Eastcote area. Every incident occurred during the day.
The investigation team is looking to hear from anyone who believes they saw – or know – this man. Contact 101, quoting reference 01/7092055/25.
